22 WATSON, Two Species of Lepidodendron Harcourtii. 



Weiss, F. E. (:Ol). "On the Phloem of Lepidophloios and 

 Lepidodendron." Manchester Memoirs, vol. 45, no. 7, 

 1901. 



(:02 1 ). " On Xenophyton radiculosum (Hick), and on a 



Stigmarian Rootlet probably related to Lepidophloios fuli- 

 ginosus (Williamson)." Manchester Memoirs, vol. 46, 

 no. 9, 1902. 



(:02 2 ). " A Biseriate Halonial Branch of Lepidophloios 



fuliginosus." Trans. Linn. Soc. Lo?idon (Bot.), (2), vol. 6, 

 p. 217, 1902. 



( : 07)- "On the Parichnos ot the Lepidodendracese." 



Manchester Memoirs, vol. 51, no. 8, 1907. 



Witham, H. ('32). " On Lepidodendron Harcourtii." Trans. 

 Nat. Hist. Soc. Newcastle-upon-Tyne, 1832. 



